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/*******************************************************************************
* Copyright (c) 2011, 2015 Wind River Systems, Inc. and others. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.ui.navigator.images;
import java.util.Map;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.tcf.te.core.interfaces.IConnectable;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNode;
import org.eclipse.tcf.te.tcf.locator.utils.CommonUtils;
import org.eclipse.tcf.te.tcf.ui.internal.ImageConsts;
import org.eclipse.tcf.te.ui.jface.images.AbstractImageDescriptor;
/**
* Peer model node image descriptor implementation.
*/
public class PeerNodeImageDescriptor extends AbstractImageDescriptor {
// the base image to decorate with overlays
private Image baseImage;
// the image size
private Point imageSize;
// Flags representing the connect states to decorate
private int connectState;
// Flags representing the valid state to decorate
private boolean valid;
// Flags representing the warning state to decorate
private boolean warning;
/**
* Constructor.
*/
public PeerNodeImageDescriptor(final ImageRegistry registry, final Image baseImage, final IPeerNode node) {
super(registry);
this.baseImage = baseImage;
imageSize = new Point(baseImage.getImageData().width, baseImage.getImageData().height);
// Determine the current object state to decorate
initialize(node);
// build up the key for the image registry
defineKey(baseImage.hashCode());
}
/**
* Initialize the image descriptor from the peer model.
*
* @param node The peer model. Must not be <code>null</code>.
*/
protected void initialize(IPeerNode node) {
Assert.isNotNull(node);
connectState = node.getConnectState();
// If invoked in the TCF dispatch thread, node.isValid() may lead to a
// deadlock if the initialize(...) where called as a result of an activity
// state change event.
valid = node.isValid();
Map<String,String> warnings = CommonUtils.getPeerWarnings(node);
warning = warnings != null && !warnings.isEmpty();
}
/**
* Define the peer image descriptor key.
*
* @param hashCode The hash code of the base image.
*/
protected void defineKey(int hashCode) {
String key = "PNID:" + //$NON-NLS-1$
hashCode + ":" + //$NON-NLS-1$
connectState + ":" + //$NON-NLS-1$
valid + ":" + //$NON-NLS-1$
warning;
setDecriptorKey(key);
}
/* (non-Javadoc)
* @see org.eclipse.jface.resource.CompositeImageDescriptor#drawCompositeImage(int, int)
*/
@Override
protected void drawCompositeImage(int width, int height) {
drawCentered(baseImage, width, height);
if (!valid) {
drawBottomRight(ImageConsts.RED_X_OVR);
}
else {
if (connectState < 0) {
drawTopRight(ImageConsts.BUSY_OVR);
}
if (connectState == IConnectable.STATE_CONNECTED) {
if (warning) {
drawBottomRight(ImageConsts.WARNING_OVR);
}
else {
drawBottomRight(ImageConsts.GREEN_OVR);
}
}
else if (connectState == IConnectable.STATE_CONNECTING || connectState == IConnectable.STATE_DISCONNECTING ||
connectState == IConnectable.STATE_CONNECTION_LOST || connectState == IConnectable.STATE_CONNECTION_RECOVERING) {
drawBottomRight(ImageConsts.GREY_OVR);
}
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.resource.CompositeImageDescriptor#getSize()
*/
@Override
protected Point getSize() {
return imageSize;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.ide.util.ui.AbstractImageDescriptor#getBaseImage()
*/
@Override
protected Image getBaseImage() {
return baseImage;
}
}
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